[WIP] Add experimental feed support

docs/docs/user-guide/integrations/feed.md

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+# Feed
+
+The feed is a personalized content page that lives to the left of your home screen, that can be
+opened without leaving the launcher. Traditionally, launchers show the Google Discover feed here,
+but there are other alternatives.
+
+## Feed providers
+
+The feed content is provided by a third party app, which needs to be installed on the device.
+
+### Google Discover
+
+On most devices, the Google app is preinstalled as a feed provider. Unfortunately, the Google app
+can't be embedded as a feed directly, because it only allows to be embedded by system apps and
+development builds. If you want to use Google Discover as your feed provider, you can
+install [AIDL Bridge](https://github.com/amirzaidi/AIDLBridge/releases)
+as a workaround. AIDL Bridge acts as a bridge to allow third party apps to connect to the
+Google Discover feed.
+
+> [!WARNING]
+> AIDL Bridge uses an unofficial workaround to expose the Google Discover feed to third party apps.
+> This workaround might stop working without further notice. Use at your own risk.
+
+### Other providers
+
+The following feed providers have been tested and are known to be working:
+
+- **[Neo-Feed](https://github.com/NeoApplications/Neo-Feed)**: A simple RSS feed reader
+- **[Smartspacer](https://github.com/KieronQuinn/Smartspacer)**: A customizable widgets page
+
+## Enable the feed
+
+After you have installed at least one feed provider, you can enable it under Settings >
+Integrations > Feed. Then you can assign the feed action to the swipe right gesture under Settings >
+Gestures
+
+> [!NOTE]
+> The feed can only be assigned to the swipe right gesture